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7nadin3 [17]
3 years ago
6

A) Identify all x-values not in the domain of y=(x² – 4x²) / (3x² - 6x – 24)

Mathematics
1 answer:
True [87]3 years ago
3 0

Answer:

x ≠ 4 or -2

Step-by-step explanation:

the denominator cannot be zero, so factor the bottom equation to get the zeros and those are the domain restrictions.

3x^2 - 6x - 24 ≠ 0

3(x^2 - 2x - 8) ≠ 0          (factor out a 3)

3(x - 4)(x + 2) ≠ 0            (factor equation)

x ≠ 4, x ≠ -2                     (use zero product property to find zeros)

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